Three-pieces Hinged Tin Box

It's three-pieces tin structure - lid, bottom and body. The rolled outside lid, the rolled inside body and rolled inside bottom forms this flat tin. It applies a pin as hinged area, not the original tin area that ensures the strong connection between lid and body. The structure of this tin mold could be improved to automatic production line easily to keep the faster produing with best quality. There is no limit for artwork for this tin structure and the flat lid could achieve the larger embossing area.